DRS MSYSTEM | Alldatasheet

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MODEL: DRS DRS SPECIFICATIONS ES-3205 Rev.3 Page 1/4 http://www.m-system.co.jp/ Plug-in Signal Conditioners M-UNIT DIFFERENTIAL RTD TRANSMITTER (isolated) Functions & Features

  • Providing a DC output in proportion to the temperature difference between two RTDs
  • Isolation up to 2000 V AC
  • Fast response type available
  • LCD meter (engineering unit display selectable)
  • Simple loop test output (0 % and 100 %)
  • High-density mounting Typical Applications
  • Measuring temperature difference between the inlet and outlet of a heat exchanger
  • Coolant
  • Power plant (1.97) 127 (5) (3.15) mm (inch) MODEL: DRS–[1]–[2][3]

ORDERING INFORMATION

  • Code number: DRS-[1]-[2][3] Specify a code from below for each [1] through [3]. (e.g. DRS-A-B/E/K/Q)
  • Special output range (For codes Z & 0)
  • Specify the specification for option code /Q (e.g. /C01/S01) INPUT (2-wire RTDs, dual input) JPt100 (JIS'89) or Pt100 (JIS'97, IEC) Pt100 (JIS ’89) is deviated from Pt100 (JIS ’97) only within the described accuracy. [1] OUTPUT Current A: 4 – 20 mA DC (Load resistance 750 Ω max.) B: 2 – 10 mA DC (Load resistance 1500 Ω max.) C: 1 – 5 mA DC (Load resistance 3000 Ω max.) D: 0 – 20 mA DC (Load resistance 750 Ω max.) E: 0 – 16 mA DC (Load resistance 900 Ω max.) F: 0 – 10 mA DC (Load resistance 1500 Ω max.) G: 0 – 1 mA DC (Load resistance 15 kΩ max.) Z: Specify current (See OUTPUT SPECIFICATIONS) Voltage 1: 0 – 10 mV DC (Load resistance 10 kΩ min.) 2: 0 – 100 mV DC (Load resistance 100 kΩ min.) 3: 0 – 1 V DC (Load resistance 100 Ω min.) 4: 0 – 10 V DC (Load resistance 1000 Ω min.) 5: 0 – 5 V DC (Load resistance 500 Ω min.) 6: 1 – 5 V DC (Load resistance 500 Ω min.) 0: Specify voltage (See OUTPUT SPECIFICATIONS) [2] POWER INPUT AC Power B: 100 V AC C: 110 V AC D: 115 V AC F: 120 V AC G: 200 V AC H: 220 V AC J: 240 V AC DC Power S: 12 V DC R: 24 V DC V: 48 V DC P: 110 V DC (Not selectable with Option /E2.) [3] OPTIONS (multiple selections) LCD Meter (for indicating temperature difference) blank: Without /E: With (0.0 - 100.0 % display) /E2: With (in engineering unit with backlight and the simple loop test output) Response Time (0 – 90 %) blank: Standard (≤ 0.5 sec.) /K: Fast response (Approx. 25 msec.) (Not selectable with Option /E2) Other Options blank: none /Q: Option other than the above (specify the specification) SPECIFICATIONS OF OPTION: Q (multiple selections) COATING (For the detail, refer to M-System's web site.) /C01: Silicone coating /C02: Polyurethane coating /C03: Rubber coating TERMINAL SCREW MATERIAL /S01: Stainless steel

MODEL: DRS DRS SPECIFICATIONS ES-3205 Rev.3 Page 2/4 http://www.m-system.co.jp/ GENERAL SPECIFICATIONS Construction: Plug-in Connection: M3.5 screw terminals Screw terminal: Chromated steel (standard) or stainless steel Housing material: Flame-resistant resin (black) Isolation: Input to output to power Overrange output: Approx. -10 to +120 % at 1 – 5 V Zero adjustment: -5 to +5 % (front) Span adjustment: 95 to 105 % (front) Simple loop test output: 0 % and 100 % signal simulated by selecting the front switch positions. (Only for option code /E2) ■ DISPLAY (LCD meter)

  • Option code: /E LCD digital display: 0.0 - 100.0 % (min. digit 0.1 %) (No scaling)
  • Option code: /E2 LCD digital display: Engineering unit Display scaling: -10000 – +10000 Decimal position: 10-1 - 10-4 or no decimal point Engineering unit: %, μV, mV, V, mA, A, °C, °F, Ω, DEG K, mHz, Hz, kHz, VAC, AAC, mg, g, kg, t, rpm or rps selectable Back light: Green at normal, red at loop test output enable Factory setting: scaling 0.00 - 100.00, unit: % INPUT SPECIFICATIONS Input: 2-wire RTDs (two) Maximum leadwire resistance: Difference 0.5 Ω maximum between the transmitter and each RTD; each leadwire resistance 10 Ω or less Sensing current: 2 mA Difference range: 0 – 20°C or 0 – 36°F (fixed) Temperature range: 0 – 50°C or 32 – 122°F (fixed) OUTPUT SPECIFICATIONS ■ DC Current: 0 – 20 mA DC Minimum span: 1 mA Offset: Max. 1.5 times span Load resistance: Output drive 15 V max. ■ DC Voltage: -10 – +12 V DC Minimum span: 5 mV Offset: Max. 1.5 times span Load resistance: Output drive 10 mA max.; 5 mA for negative voltage output; at ≥ 0.5 V INSTALLATION Power input
  • AC: Operational voltage range: rating ±10 %, 50/60 ±2 Hz, approx. 2 VA (approx. 3 VA with Option /E2)
  • DC: Operational voltage range: rating ±10 %, or 85 – 150 V for 110 V rating (ripple 10 % p-p max.) approx. 2 W (80 mA at 24 V; approx. 3 W with Option /E2) Operating temperature: -5 to +60°C (23 to 140°F) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Surface or DIN rail Weight: 350 g (0.77 lb) PERFORMANCE in percentage of span Accuracy: ±0.2 % (Temperature within 15 – 35°C or 59 – 95°F) Display accuracy: ± (0.2 % of FS + 1 digit) (Temperature within 15 – 35°C or 59 – 95°F) Simple loop test output setting accuracy: ±0.5 % Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) Line voltage effect: ±0.1 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 2000 V AC @1 minute (input to output to power to ground)

MODEL: DRS DRS SPECIFICATIONS ES-3205 Rev.3 Page 3/4 http://www.m-system.co.jp/ EXTERNAL VIEW Span Adj. Zero Adj. LCD Meter Loop Test Selector Top Middle Bottom : 0% fixed : 100% fixed : Cancel (normal operating mode) NEXT Key ENTER Key Span Adj. Zero Adj. LCD Meter ■ OPTION /E ■ OPTION /E2 EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 3456 2187 80 (3.15) 80 (3.15) (.79) 40 (1.57) 50 (1.97) 7.8 (.31) CLAMP (top & bottom) DIN RAIL 35mm wide2–4.5 (.18) dia. MTG HOLE 15 (.59) deep 8–M3.5 SCREW

  • When mounting, no extra space is needed between units. SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM B ** Hi Isolation Base Socket SZ Option /E, E2 Be sure to connect the high temp. RTD to the terminal No. 3 for proper operation. Option /E2 Output Driver 1 2mA2mA 3 *A Lo RTD CONSTANT CURRENT Differential Amplifier LOOP TEST SELECTOR * * OUTPUT U(+) V(–) POWER

MODEL: DRS DRS SPECIFICATIONS ES-3205 Rev.3 Page 4/4 http://www.m-system.co.jp/ Specifications are subject to change without notice.